The Hyde 43660 Caulk Aid is a multi-purpose caulking tool, it
lets you refresh old caulk with
a single tool and a minimum of
effort. On one end are sharp,
high-impact plastic blades designed
to shave old caulk clean
from tile or window mullions. A
sharp point (hidden in the middle)
removes any remaining caulk
from crevices. Once the surface
is clean, the padded end of the
tool will smooth a new caulk bead
to a neat, consistent profile. Also
helpful: A caulk tube cutter on the
back of the tool slices open the
replacement caulk tube.